Home / 14,939.84-20,603.67-11,790.56

Finding the Fourth Proportional to 14,939.84, 20,603.67 and 11,790.56

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Solution

The fourth proportional to 14,939.84, 20,603.67 and 11,790.56 is: 16,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.84 : 20,603.67 = 11,790.56 : x
  2. Step 2: Convert to fraction form
    14,939.84/20,603.67 = 11,790.56/x
  3. Step 3: Cross multiply
    14,939.84x = 20,603.67 × 11,790.56
  4. Step 4: Simplify right side
    14,939.84x = 242,928,704.34
  5. Step 5: Solve for x
    x = 242,928,704.34/14,939.84
  6. Step 6: Final answer
    x = 16,260.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.